/Engine/Plugins/Runtime/Metasound/Source/MetasoundEditor/Public/MetasoundEditorGraphSchema.h
FMetasoundGraphSchemaAction_NewVariableMutatorNode ( [FText](API\Runtime\Core\Internationalization\FText) InNodeCategory, [FText](API\Runtime\Core\Internationalization\FText) InDisplayName, [FGuid](API\Runtime\Core\Misc\FGuid) InVariableID, [FText](API\Runtime\Core\Internationalization\FText) InToolTip )